Basic of linux unix

A. ^pat
B. $pat
C. pat$
D. pat^

A. chmod go+r note
B. chmod go+rw note
C. chmod go-x note
D. chmod go-r note

A. nfsmount
B. knfsd
C. mount
D. All of the above

A. $
B. 3 dw
C. 3 x
D. 3 dd

A. Linus Torvalds
B. Richard Stallman
C. Bob Young
D. All of the above

A. 16-bit addresses
B. 32-bit addresses
C. 64-bit addresses
D. 8-bit addresses

A. del
B. mv
C. rm
D. remove

A. /usr/local
B. /usr/src/linux
C. /usr/sre/redhat
D. /usr/bin

A. /etc/.profile
B. /etc/.bashrc
C. /etc/.log
D. /etc/profile

A. to exit status of ast command executed.
B. to process number of the current shell
C. to list the positional parameters
D. to name the command being executed